G36
Non-Billable

Other acute disseminated demyelination

Non-Billable / Non-Specific Code

What is Other acute disseminated demyelination?

ICD-10-CM G36 is the diagnosis code for Other acute disseminated demyelination. This code falls under the section "Demyelinating diseases of the central nervous system" within Chapter 6 — Diseases of the nervous system (G00-G99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for G36

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as G36. They are mutually exclusive:

  • postinfectious encephalitis and encephalomyelitis NOS (G04.01)

ICD-10-CM Code Hierarchy

Understanding where G36 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeG36 — Other acute disseminated demyelination
Sub-Codes 4 entries
G36.0Neuromyelitis optica [Devic]BillableG36.1Acute and subacute hemorrhagic leukoencephalitis [Hurst]BillableG36.8Other specified acute disseminated demyelinationBillableG36.9Acute disseminated demyelination, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is G36 a billable ICD-10-CM code?

No, G36 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does G36 mean?

G36 is the ICD-10-CM diagnosis code for "Other acute disseminated demyelination". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is G36 in?

G36 is located in Section G35-G37 — "Demyelinating diseases of the central nervous system" within Chapter 6 of the ICD-10-CM Tabular List.

What are the sub-codes of G36?

G36 has 4 sub-code(s) that provide more specific detail: G36.0, G36.1, G36.8, G36.9.

When should I use G36?

Use G36 when the patients documented diagnosis matches "Other acute disseminated demyelination" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other acute disseminated demyelination?

The ICD-10-CM code for Other acute disseminated demyelination is G36.

Can G36 be used for primary diagnosis?

No, G36 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is G36 in?

G36 is in Chapter 6 of the ICD-10-CM Tabular List.

What conditions are excluded from G36?

Type 1 Excludes for G36 include: postinfectious encephalitis and encephalomyelitis NOS (G04.01).

Is G36 valid for 2026?

Yes, G36 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousG35.DMultiple sclerosis, unspecifiedNext →G36.0Neuromyelitis optica [Devic]
Code Details
G36
Other acute disseminated demyelination
Non-Billable / Non-Specific Code
6 — Diseases of the nervous system (G00-G99)
G35-G37 — Demyelinating diseases of the central nervous system
2026 ICD-10-CM